https://www.bleepingcomputer.com/news/microsoft/windows-10-kb5010415-update-released-with-35-bug-fixes-improvements/ > Microsoft has released the optional KB5010415 Preview cumulative update for Windows 10 20H2, Windows 10 21H1, and Windows 10 21H2. > This update includes a wide variety of bug fixes, including those for Microsoft Edge's Internet Explorer mode, printing, memory leaks, and more.